20194302250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 39491000640

約数和(自身を除く): 19296698390

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 139, 145, 250, 278, 290, 691, 695, 725, 841, 1382, 1390, 1450, 1682, 3455, 3475, 3625, 4031, 4205, 6910, 6950, 7250, 8062, 8410, 17275, 17375, 20039, 20155, 21025, 34550, 34750, 40078, 40310, 42050, 86375, 96049, 100195, 100775, 105125, 116899, 172750, 192098, 200390, 201550, 210250, 233798, 480245, 500975, 503875, 581131, 584495, 960490, 1001950, 1007750, 1162262, 1168990, 2401225, 2504875, 2785421, 2905655, 2922475, 4802450, 5009750, 5570842, 5811310, 5844950, 12006125, 13927105, 14528275, 14612375, 24012250, 27854210, 29056550, 29224750, 69635525, 72641375, 80777209, 139271050, 145282750, 161554418, 348177625, 403886045, 696355250, 807772090, 2019430225, 4038860450, 10097151125, 20194302250]

約数ペア:

[(1, 20194302250), (2, 10097151125), (5, 4038860450), (10, 2019430225), (25, 807772090), (29, 696355250), (50, 403886045), (58, 348177625), (125, 161554418), (139, 145282750), (145, 139271050), (250, 80777209), (278, 72641375), (290, 69635525), (691, 29224750), (695, 29056550), (725, 27854210), (841, 24012250), (1382, 14612375), (1390, 14528275), (1450, 13927105), (1682, 12006125), (3455, 5844950), (3475, 5811310), (3625, 5570842), (4031, 5009750), (4205, 4802450), (6910, 2922475), (6950, 2905655), (7250, 2785421), (8062, 2504875), (8410, 2401225), (17275, 1168990), (17375, 1162262), (20039, 1007750), (20155, 1001950), (21025, 960490), (34550, 584495), (34750, 581131), (40078, 503875), (40310, 500975), (42050, 480245), (86375, 233798), (96049, 210250), (100195, 201550), (100775, 200390), (105125, 192098), (116899, 172750)]